Coroner Morton says a man's heart is 25 grams heavier than a woman's heart. This depends in part on age. The difference at ages 31-40 is 4.9 grams, and the difference at ages 61-70 is 60.8 grams.
When asked if he has voted yet, Mac says no, he will vote later. Since he works at night that would be impossible. Polls would have already been closed at that point.
The pathologist performing the autopsy was doing so with a sheet completely covering the body. That would make for an extremely difficult autopsy.